Data processing: generic control systems or specific application – Specific application – apparatus or process – Mechanical control system
Reexamination Certificate
2007-09-04
2007-09-04
Picard, Leo (Department: 2125)
Data processing: generic control systems or specific application
Specific application, apparatus or process
Mechanical control system
C700S302000, C702S047000
Reexamination Certificate
active
11203615
ABSTRACT:
A feed-forward flow controller is designed to calculate a target valve position from a target flow. Correction is made for liquid or gas pressure drop across the valve and for the valve flow modulating member geometry. This feed-forward action may also be used to linearize a feed-back flow control loop.
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Goksel Bulent
Hansen Peter Daniel
Fish & Richardson P.C.
Invensys Systems Inc.
Picard Leo
Rao Sheela
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